import java.util.Scanner;
/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: wwy
 * Date: 2024-08-16
 * Time: 16:20
 */
public class assd {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        while (sc.hasNextInt()){
            int n= sc.nextInt();
            System.out.println(n);
        }
    }
}
